the debris past without deposition, and that deposition occurred when the stream slackened speed. At Klipdam No. 2 the diamantiferous earth is remarkably like river gravel, of a strong red colour quite different from the Kimberley blue ground and forms a layer from i to 8 feet thick, lying over a " hard pan " of amygdaloidal trap, the melaphyre of the Kimberley mines.
When I was at Klipdam the miners had congregated at a spot called " New Rush," where some good finds of diamonds had been reported. The gravel is dug and put into a machine resembling the gold miner's dolly, where it is rocked and stirred by rakes, with a current of water flowing over it. Here all the fine stuff is washed away and a rough kind of concentration effected. The residual gravel is put on a table and sorted for diamonds an operation performed by the master. At one of the claims where work was proceeding vigorously I
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